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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm107.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm107.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm107.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm107.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm107.c
new file mode 100644
index 000000000..c845fd392
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm107.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2014 Martin Peres
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Martin Peres
+ */
+#include "priv.h"
+
+static int
+gm107_fan_pwm_ctrl(struct nvkm_therm *therm, int line, bool enable)
+{
+ /* nothing to do, it seems hardwired */
+ return 0;
+}
+
+static int
+gm107_fan_pwm_get(struct nvkm_therm *therm, int line, u32 *divs, u32 *duty)
+{
+ struct nvkm_device *device = therm->subdev.device;
+ *divs = nvkm_rd32(device, 0x10eb20) & 0x1fff;
+ *duty = nvkm_rd32(device, 0x10eb24) & 0x1fff;
+ return 0;
+}
+
+static int
+gm107_fan_pwm_set(struct nvkm_therm *therm, int line, u32 divs, u32 duty)
+{
+ struct nvkm_device *device = therm->subdev.device;
+ nvkm_mask(device, 0x10eb10, 0x1fff, divs); /* keep the high bits */
+ nvkm_wr32(device, 0x10eb14, duty | 0x80000000);
+ return 0;
+}
+
+static int
+gm107_fan_pwm_clock(struct nvkm_therm *therm, int line)
+{
+ return therm->subdev.device->crystal * 1000;
+}
+
+static const struct nvkm_therm_func
+gm107_therm = {
+ .init = gf119_therm_init,
+ .fini = g84_therm_fini,
+ .pwm_ctrl = gm107_fan_pwm_ctrl,
+ .pwm_get = gm107_fan_pwm_get,
+ .pwm_set = gm107_fan_pwm_set,
+ .pwm_clock = gm107_fan_pwm_clock,
+ .temp_get = g84_temp_get,
+ .fan_sense = gt215_therm_fan_sense,
+ .program_alarms = nvkm_therm_program_alarms_polling,
+};
+
+int
+gm107_therm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+ struct nvkm_therm **ptherm)
+{
+ return nvkm_therm_new_(&gm107_therm, device, type, inst, ptherm);
+}